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/*
* Copyright (C) 2015, 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(INDEXED_DATABASE)
#include "EventTarget.h"
#include "IDBActiveDOMObject.h"
#include "IDBConnectionProxy.h"
#include "IDBDatabaseInfo.h"
#include "IDBKeyPath.h"
#include "IDBTransactionMode.h"
namespace WebCore {
class DOMStringList;
class IDBObjectStore;
class IDBOpenDBRequest;
class IDBResultData;
class IDBTransaction;
class IDBTransactionInfo;
struct EventNames;
class IDBDatabase : public ThreadSafeRefCounted<IDBDatabase>, public EventTargetWithInlineData, public IDBActiveDOMObject {
public:
static Ref<IDBDatabase> create(ScriptExecutionContext&, IDBClient::IDBConnectionProxy&, const IDBResultData&);
virtual ~IDBDatabase();
// IDBDatabase IDL
const String name() const;
uint64_t version() const;
RefPtr<DOMStringList> objectStoreNames() const;
struct ObjectStoreParameters {
std::optional<IDBKeyPath> keyPath;
bool autoIncrement;
};
ExceptionOr<Ref<IDBObjectStore>> createObjectStore(const String& name, ObjectStoreParameters&&);
using StringOrVectorOfStrings = WTF::Variant<String, Vector<String>>;
ExceptionOr<Ref<IDBTransaction>> transaction(StringOrVectorOfStrings&& storeNames, IDBTransactionMode);
ExceptionOr<void> deleteObjectStore(const String& name);
void close();
void renameObjectStore(IDBObjectStore&, const String& newName);
void renameIndex(IDBIndex&, const String& newName);
// EventTarget
EventTargetInterface eventTargetInterface() const final { return IDBDatabaseEventTargetInterfaceType; }
ScriptExecutionContext* scriptExecutionContext() const final { return ActiveDOMObject::scriptExecutionContext(); }
void refEventTarget() final { ThreadSafeRefCounted<IDBDatabase>::ref(); }
void derefEventTarget() final { ThreadSafeRefCounted<IDBDatabase>::deref(); }
using ThreadSafeRefCounted<IDBDatabase>::ref;
using ThreadSafeRefCounted<IDBDatabase>::deref;
const char* activeDOMObjectName() const final;
bool canSuspendForDocumentSuspension() const final;
void stop() final;
const IDBDatabaseInfo& info() const { return m_info; }
uint64_t databaseConnectionIdentifier() const { return m_databaseConnectionIdentifier; }
Ref<IDBTransaction> startVersionChangeTransaction(const IDBTransactionInfo&, IDBOpenDBRequest&);
void didStartTransaction(IDBTransaction&);
void willCommitTransaction(IDBTransaction&);
void didCommitTransaction(IDBTransaction&);
void willAbortTransaction(IDBTransaction&);
void didAbortTransaction(IDBTransaction&);
void fireVersionChangeEvent(const IDBResourceIdentifier& requestIdentifier, uint64_t requestedVersion);
void didCloseFromServer(const IDBError&);
void connectionToServerLost(const IDBError&);
IDBClient::IDBConnectionProxy& connectionProxy() { return m_connectionProxy.get(); }
void didCreateIndexInfo(const IDBIndexInfo&);
void didDeleteIndexInfo(const IDBIndexInfo&);
bool isClosingOrClosed() const { return m_closePending || m_closedInServer; }
bool dispatchEvent(Event&) final;
bool hasPendingActivity() const final;
private:
IDBDatabase(ScriptExecutionContext&, IDBClient::IDBConnectionProxy&, const IDBResultData&);
void didCommitOrAbortTransaction(IDBTransaction&);
void maybeCloseInServer();
Ref<IDBClient::IDBConnectionProxy> m_connectionProxy;
IDBDatabaseInfo m_info;
uint64_t m_databaseConnectionIdentifier { 0 };
bool m_closePending { false };
bool m_closedInServer { false };
RefPtr<IDBTransaction> m_versionChangeTransaction;
HashMap<IDBResourceIdentifier, RefPtr<IDBTransaction>> m_activeTransactions;
HashMap<IDBResourceIdentifier, RefPtr<IDBTransaction>> m_committingTransactions;
HashMap<IDBResourceIdentifier, RefPtr<IDBTransaction>> m_abortingTransactions;
const EventNames& m_eventNames; // Need to cache this so we can use it from GC threads.
};
} // namespace WebCore
#endif // ENABLE(INDEXED_DATABASE)
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